Activity of Nitrofurantoin Against Urinary Tract Infection (UTI) Isolates of Vancomycin-Resistant Enterococci (VRE): A Three-Year Survey in an Iranian Hospital

  • سال انتشار: 1386
  • محل انتشار: فصلنامه آسیب شناسی ایران، دوره: 2، شماره: 4
  • کد COI اختصاصی: JR_IJP-2-4_005
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 772
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نویسندگان

Mohammad Rahbar

Research Center of Reference Laboratories of Iran, Tehran, Iran

Massoud Hajia

Research Center of Reference Laboratories of Iran, Tehran, Iran

Mohammad Farzanehkhah

Research Center of Reference Laboratories of Iran, Tehran, Iran

چکیده

Background and Objective: Vancomycin-resistant enterococci (VRE) are major causative agents of urinary tract infections (UTIs) in hospitalized patients. The aim of this study was to determineprevalence of UTI caused by VRE in an Iranian 1000-bed hospital and to assess the activity ofcommonly used antibiotics including nitrofurantoin against VRE isolates. Material and Methods: This study was carried out between April 2002 and April 2006 in MiladHospital (Tehran). Only patients who had puria and significant bacteriuria included in our study. All isolates performed identification to species level and susceptibility testing performed by diskdiffusion method as recommended by Clinical Laboratory Institute Standards (CLSI).Results: In total, 837 enterococcus species were isolated from UTIs that 668 (79.8%) and 169 (20.2%) isolates were E. faecalis and E. faecium respectively. Analysis of the collected data revealed that 9.43% of vancomycin-resistant strains were resistant to nitrofurantoin as well (6 out of 65),while 84.9% of the isolated enterococci (54 out of 65) were vancomycin-resistant and nitrofurantoinsensitive. The obtained data also showed that both vancomycin- and nitrofurantoin-resistant isolates had higher frequency rate in admitted patients compared with out-patients.Conclusion: It is concluded that susceptibility of approximately 85% of VRE to nitrofurantoin indicates that this antibiotic still is the suitable alternative drug for treatment of urinary tract infections caused by VRE.

کلیدواژه ها

Nitrofurantoin, Vancomycin, Resistance, Enterococcus, Urinary tract infection

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